📦 Update dependency karma to v3.1.4

[renovate-bot]

This PR contains the following updates:

Package	Type	Update	Change
karma (source)	devDependencies	minor	3.0.0 -> 3.1.4

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Release Notes

karma-runner/karma

v3.1.4

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Bug Fixes

• file-list: revert "do not preprocess up-to-date files" (#​3226) (#​3230) (bb022a7)
• improve error msg when bin is a directory (#​3231) (584dddc)
• restarted browsers not running tests (#​3233) (cc2eff2)

v3.1.3

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Bug Fixes

• add missing dep flatted (#​3223) (655d4d2)

v3.1.2

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Bug Fixes

• browser: report errors to console during singleRun=false (#​3209) (30ff73b), closes #​3131
• changelog: remove release which does not exist (#​3214) (4e87902)
• dep: Bump useragent to fix HeadlessChrome version (#​3201) (240209f), closes #​2762
• deps: upgrade sinon-chai 2.x -> 3.x (#​3207) (dc5f5de)
• file-list: do not preprocess up-to-date files (#​3196) (5334d1a), closes #​2829
• package: bump lodash version (#​3203) (d38f344), closes #​3177
• server: use flatted for json.stringify (#​3220) (fb05fb1), closes #​3215

Features

• docs: callout the key debug strategies. (#​3219) (2682bff)

v3.1.1

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Bug Fixes

• config: move puppeteer from dependency to dev-dependency (#​3193) (f0d52ad), closes #​3191

v3.1.0

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Bug Fixes

• work around broken console methods (873e4f9), closes /github.com/angular/angular.js/pull/16644#issuecomment-407680658
• browser: emit 'browsers_change' in collection (#​3183) (7634e71)
• config: remove phantomjs in favor of chrome headless (#​3175) (0f8b2b1)
• init: Support ChromeHeadless in validateBrowser (#​3110) (eeadcf2)
• middleware: simplify stripHost. (#​3115) (d65e911)
• runner: Do not persist grep option across runs (#​3121) (c91cb81)
• runner: Make exit code configurable when tests are failing (#​3116) (74da748), closes #​1300
• test/client: revert const/let changes. (c097ecf)

Features

• config: Add config option for browser socket timeout (#​3102) (11e3a9d), closes #​2927
• config: add support for ES modules (e811adb)
• frameworks: report start() errors back to server. (#​3126) (8257375)
• server: .dom files include HTML tags in page. (#​3178) (4651524)
• server: Add public API to force a file refresh (dab8a82)
• server: Add stop method (#​3153) (6d96d8e), closes #​3149
• server: Add support for encoded source files (#​3123) (68b37d3)

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